The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

This science fair project investigates why the number of visible stars changes from place to place.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

This project compares the strength of one, two, and three-ply toilet paper.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

The project determines which laundry detergent is best for cleaning clothes.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This science fair project idea examines whether boys and girls differ in reflexes.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.